AMSC insider trading
NasdaqGS IndustrialsAMERICAN SUPERCONDUCTOR CORP /DE/ — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.
About AMERICAN SUPERCONDUCTOR CORP /DE/
American Superconductor Corporation, together with its subsidiaries, provides megawatt-scale power resiliency solutions worldwide. It operates through Grid and Wind segments. The Grid segment offers products and services that enable electric utilities, industrial facilities, and renewable energy project developers to connect, transmit, and distribute power under the Gridtec Solutions brand. The company provides transmission planning services, which identify power grid congestion, poor power quality, and other risks; grid interconnection solutions for wind farms and solar power plants, power quality systems, and transmission and distribution cable systems; D-VAR systems used for controlling power flow and voltage in the AC transmission system; actiVAR system, a fast-switching medium-voltage reactive compensation solution; armorVAR system installed for reactive compensation, power factor correction, loss reduction, utility bill savings, and mitigation of common power quality concerns related to power converter-based generation and load devices; and D-VAR volt var optimization (VVO) that serves the distribution power grid market. This segment also offers ship protection systems, which reduce a naval ship's magnetic signature; and Onboard power delivery systems, power generation systems, and propulsion systems; and transformers and rectifiers systems. The Wind segment designs wind turbine systems and licenses these designs to third parties under the Windtec Solutions brand. The company also supplies power electronics and software-based control systems, engineered designs, and support services; and provides customer support services to wind turbine manufacturers. This segment's design portfolio comprises a range of drivetrains and power ratings of 2 megawatts and higher. American Superconductor Corporation was incorporated in 1987 and is headquartered in Ayer, Massachusetts.
Company website: www.amsc.com
AMSC insider activity at a glance
FilingIQ has scored 189 insider transactions for AMSC since Apr 6, 2015. The most recent filing in our index is dated Apr 3, 2026.
Across the full history, 7 open-market purchases
and 58 open-market sales
were filed under transaction codes P and S respectively. Compensatory share awards
(code A) and option exercises (code M) are tracked separately and not counted here.
The average FilingIQ composite score on AMSC insider trades is 69.6/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
Latest AMSC Form 4 filings
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Frequently asked
- How many insider trades does FilingIQ track for AMSC?
- FilingIQ tracks 189 Form 4 insider transactions for AMSC (AMERICAN SUPERCONDUCTOR CORP /DE/), covering filings from Apr 6, 2015 onwards. 7 of those were filed in the last 90 days.
- Are AMSC insiders net buyers or net sellers?
- Across the full Form 4 history for AMSC, 7 transactions (4%) were open-market purchases and 58 (31%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does AMSC insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
- What sector is AMSC in?
- AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) is classified in the Industrials sector, specifically Specialty Industrial Machinery, with a current market capitalisation of $1.57B.
Methodology & sources
Every AMSC insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.